| Literature DB >> 21200049 |
Adam L Hersh, Randall S Stafford.
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Year: 2011 PMID: 21200049 PMCID: PMC4016789 DOI: 10.7326/0003-4819-154-1-201101040-00019
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391